Home / 171,337.09-257,241.48-87,154.22

Finding the Fourth Proportional to 171,337.09, 257,241.48 and 87,154.22

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Solution

The fourth proportional to 171,337.09, 257,241.48 and 87,154.22 is: 130,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,337.09 : 257,241.48 = 87,154.22 : x
  2. Step 2: Convert to fraction form
    171,337.09/257,241.48 = 87,154.22/x
  3. Step 3: Cross multiply
    171,337.09x = 257,241.48 × 87,154.22
  4. Step 4: Simplify right side
    171,337.09x = 22,419,681,184.15
  5. Step 5: Solve for x
    x = 22,419,681,184.15/171,337.09
  6. Step 6: Final answer
    x = 130,851.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.